Ultra micro turbine Japan

Aero-Thermal Research Particulars in Ultra-Micro Gas Turbines

Oshimi, K., Yuasa, S., "Evaluation of Heat Transfer in Flat-flame Ultra-micro Combustor for Ultra Micro Gus Turbine" (in Japanese), Journal of the Gus Turbine Society of Japan, 33 (2005) (accepted).

Ultra Micro Gas Turbines

Ultra Micro Gas Turbines Roberto Capata Department of Mechanical and Aerospac e Engineering, University of Roma 1, Faculty of Engineering, Roma Italy 1. Introduction 1.1 State of art Object of the present work is the detailed study, in every its aspect, of Ultra-Micro-Gas-Turbine Generator, that is a power device with high power density.

Development of a hydrogen fuelled 1 kW ultra micro gas turbine

This paper will provide an insight into the ongoing development of an ultra micro gas turbine rated for an estimated electrical power output of 1 kW. For a safe operation of this gas turbine with hydrogen as a fuel a new combustion chamber has to be developed and tested using the proven micromix burning principle. Detailed investigations on the burning characteristics

Design and Performance Prediction of a Ultra-Micro Gas Turbine

Int. Gas Turbine Congress, Tokyo, Japan, Nov. 2-7, 2003. [7] Iandoli C.L., In a high range/endurance mission the ultra-micro-turbine can provide the energy required for the cruise phase (the

(PDF) Design and Prototyping Micro Centrifugal Compressor for Ultra

The present authors, who belong to Gas Turbine Society of Japan, regard such ultra micro gas turbine engine systems as being crucial for mobile and environmentally friendly energy utilization

advances in the development of a microturbine engine

As micro gas turbines are expected to offer the highest power density, several research groups launched programs to develop ultra micro gas turbines: IHI firm (Japan), Power- MEMS Consortium

An Experimental Study of an Ultra-Micro Scale Gas "Turbine"

Among all the micro power generation systems such as micro fuel cell [5,6], micro gas turbine [7], micro free-piston engine [8], micro thermoelectric system [9e11] and micro-thermophotovoltaic

(PDF) Experimental Campaign Tests on Ultra Micro Gas Turbines,

Experimental Campaign Tests on Ultra Micro Gas Turbines, Fuel Supply Comparison and Optimization . × Close Log In. Log in with Facebook Log in with (International Gas Turbine Congress), Tokyo, Japan, 2–7 November 2003. Epstein, A.H. Millimeter Scale Micro Electro Mechanical Systems Gas Turbine Engines. ASME J. Eng. Gas Turbines Power

Millimeter-Scale, Micro-Electro-Mechanical Systems Gas Turbine

The confluence of market demand for greatly improved compact power sources for portable electronics with the rapidly expanding capability of micromachining technology has made feasible the development of gas turbines in the millimeter-size range. With airfoil spans measured in 100''s of microns rather than meters, these "microengines" have about 1 millionth

The development of the ultra micro gas turbines | Request PDF

The present authors, who belong to Gas Turbine Society of Japan, regard such ultra micro gas turbine engine systems to be crucial for the future mobile and friendly energy utilization technology

Development and experimental investigation of a 500-W class ultra-micro

Several research groups have been involved in the development of micro gas turbines from two perspectives. One is the Micro-Electro-Mechanical Systems (MEMS)-based micro gas turbine engine proposed by a group at Massachusetts Institute of Technology (MIT) [2], [3], [4].A nickel (US coin)-sized gas turbine with a mass less than 1 g has been developed

[PDF] Ultra Micro Gas Turbines

The Ultra-Micro-GasTurbine Generator, that is a power device with high power density, is characterized by very reduced overall dimensions, which introduces complications in the design and the realization of the mechanical components who represents the greater difficulty to exceed. Object of the present work is the detailed study, in every its aspect, of Ultra-Micro

(PDF) Design and Prototyping Micro Centrifugal

The present authors, who belong to Gas Turbine Society of Japan, regard such ultra micro gas turbine engine systems as being crucial for mobile and environmentally friendly energy utilization

US20080041065A1

an ultra micro gas turbine engine of the present invention includes a rotating disk which has a compressor, a wave rotor and a turbine, a first stationary member which includes an inlet and a first wave rotor port end plate, a second stationary member which includes an outlet and a second wave rotor port end plate and a combustion chamber which includes a fuel inlet and an igniter.

The International Gas Turbine Congress 2003 Tokyo

Organized Session 3 Ultra Micro Gas Turbine 3 OS-108 Concepts and Combustion Characteristics of an Ultra-micro and a Micro Combustor S. Yuasa (Tokyo Metropolitan Institute of Technology), K. Oshimi, M. Uehara OS-109 Internal Heat Mixing and External Heat Losses in an Ultra Micro Turbine Y. Ribaud (ONERA, France)

Prototyping of ultra micro centrifugal compressor-influence of

In order to investigate the design method for a micro centrifugal compressor, which is the most important component of an ultra micro gas turbine, two types of centrifugal impeller with 2-dimensional blade were designed, manufactured and tested. These impellers have different shapes of hub on the meridional plane with each other. Moreover, these types of

Preliminary Considerations on the Thermodynamic Feasibility

Van den Braembusche, R. A., 2001, "ThermoFluid-Dynamic Design of Ultra Micro Gas Turbine Components. Collaborative Research About Thermo- Fluid-Dynamic Design of Ultra– Micro Gas Turbine", Journal of the Gas Turbine Society of Japan, 2002, Vol. 30, No 4, pp 42-49. Int. J. of Thermodynamics, Vol. 9 (No. 2) View publication stats 91

Development of an Engineering–Model of Hydrogen-Fueled

Hydrogen-Fueled Ultra-micro Combustor for UMGT SHIMOTORI Shoko, YUASA Saburo and SAKURAI Takashi Tokyo Metropolitan University Asahigaoka 6-6, Hino-city, Tokyo, JAPAN [email protected] Keywords: UMGT, Flat-Flame Combustor, Engineering-Model, Hydrogen, Insulating Structure The dime sized Ultra-micro Gas Turbine (UMGT)

Design and Prototyping Micro Centrifugal Compressor for

for Ultra Micro Gas Turbine Toshiyuki Hirano1, Hoshio Tsujita2, Ronglei Gu2 and Gaku Minorikawa2 2Department of Mechanical Engineering, Hosei University 3-7-2, Kajino-cho, Koganei-shi, Tokyo, 184-8584, Japan Abstract In order to investigate the design method for a micro centrifugal compressor, which is the most important component

(PDF) The α-Prototype of an Ultra-Micro-Gas Turbine at the

This section describes the general engineering characteristics of the ultra-micro turbo group (UMTG) object of the research. The compressor and turbine have been analyzed and simulated in detail

An experimental study of an ultra-micro scale gas "Turbine"

An ultra-micro scale gas turbine (UMGT) is a miniaturised microscale gas turbine that generates electricity, and it is comprised of 5 main components: a radial turbine, a radial compressor, bearings, a combustor, and an electrical generator [1]. UMGTs are designed for a power range of 0–1000 W [2], and are of interest for a various range of

Overall thermodynamic model of an ultra micro turbine

The overall thermodynamic model of an ultra micro turbine engine has been established and applied in different situations in this tiny engine where heat transfer is dominant. International Workshop on Power MEMS. Tsukuba, Japan, nov. 2002. Spadaccini, C M, Lee, J. Luckachko, S, et al. High Power Density Silicon Combustion Systems for Micro

Advances in the Development of a Micro-Gas Turbine Engine at

As micro gas turbines are expected to offer the highest power density, several research groups launched programs to develop ultra micro gas turbines: IHI firm (Japan), PowerMEMS Consortium (Belgium). At Onera, a research program called DecaWatt is under development in order to realize a demonstrator of a micro gas turbine engine in the 50 to

TWO STAGE ULTRA MICRO TURBINE: THERMODYNAMIC AND

Nomadic portable systems, such as micro drones, require a micro power generation system. Among the potential systems, the micro turbine seems interesting. However, at this scale, thermal fluxes involve a decrease in the performance of the turbine. Hence, we study a unique architecture of two stage ultra micro turbine, called "cocoon architecture". This paper presents

ADVANCES IN THE DEVELOPMENT OF A MICRO-TURBINE ENGINE AT ONERA

As micro gas turbines are expected to offer the highest power density, several research groups launched programs to develop ultra micro gas turbines: IHI firm (Japan), PowerMEMSConsortium (Belgium

Renewable energy: Micro Hydraulic Power Unit (Spiral Type Pico

(Video: "Ultra-Small Water Power Generator" featured on Japan Video Topics sponsored by Ministry of Foreign Affairs of Japan) Spiral PicoPica Hydraulic Power Unit is a promising pico-hydro power generation equipment which has potential for dissemination in non-electrified areas, with its characteristics including low-head generation and dust-resistance.

Development of an Ultra-compact Gas Turbine Capable of

If gas turbines could be reduced in size to the point we could handle them with ease, and this miniaturization could be achieved without compromising power output, gas turbines would offer tremendous benefits and serve as a valuable power source. I heard the news of the recent development of an ultra-compact gas turbine of unprecedented size.

Internal Heat Mixing and External Heat Losses in an Ultra

the turbine inlet appears to be moderate (between 1500 and 1700K). Doubling the size of the micro turbine The size of the micro turbine was multiplied by two in order to recover a correct power. The design air mass flow was multiplied by 4 (m=0.4g/s) and the rotation speed was divided by 2 (N = 1.25106 rpm). With this new

Ultra micro turbine Japan [PDF]

3 FAQs about [Ultra micro turbine Japan]

What is an ultra-micro scale gas turbine (umgt)?

1. Introduction An ultra-micro scale gas turbine (UMGT) is a miniaturised microscale gas turbine that generates electricity, and it is comprised of 5 main components: a radial turbine, a radial compressor, bearings, a combustor, and an electrical generator .

Is a micro gas turbine engine possible?

At Onera, a research program called DecaWatt is under development in order to realize a demonstrator of a micro gas turbine engine in the 50 to 100 Watts electrical power range. A single-stage gas turbine is currently being studied.

How efficient is a micro gas turbine engine?

With realistic hypotheses, we could obtain an overall efficiency of about 5% to 10%, which leads to around 200 W/kg when taking into account the mass of the micro gas turbine engine, its electronics, fuel and packaging.

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